Below, you’ll find the NBC TV show ratings averages as of Sunday, January 13, 2013; the end of week 16 of the 2012-13 season.

Want more ratings lists like this? Here are the other networks: ABC | CBS | The CW | FOX

Want more info on recent/current/future NBC shows? Check our latest NBC network status page to see which shows have been cancelled or renewed, how many episodes there are this season, and when shows will be returning or premiering.

These charts incorporate the daily final NBC show ratings (reported by Nielsen) and are sorted by the 18-49 demographic. Network advertisers typically prize those viewers most and so will pay more to reach them. There’s lots of information that the networks take into consideration when cancelling or renewing a TV series but the ratings are the biggest factor. The higher the ratings, the better chance that the show will be renewed. And yes, they take it into account when a show airs on a Friday or Saturday night.

What do you think? Are you surprised by any of the averages? Which show(s) do you feel should be doing better or worse, based on their quality? Comment below.

I do not understand why all the ratings are based on the 18-49 age group. I f you are older than that, do we not count as far as great programs, great acting…Parenthood is a fantastic program and that is not my opinion alone. It is such a shame that when a truly good program comes on it is axed based on certain age group. AT 77 years of age, it is truly amazing how my friends and relatives look at programing and in this case, how it touches on so many aspects of life that one can go through. And what a learning experience. Hats off to those writers of that series and the actors. I had never heard of Asperger’s before until this program!